Climate averages 1991–2020
Niamey weather
in December.
A hot, very dry month: the 10th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Niamey: daytime highs average 32.7°C and nights cool to about 16.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical December (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average December day.
The nearest other city in this atlas is Dosso (128 km away). In December its highs average 33.1°C, about as warm as Niamey, with almost no rain (under 1 mm).
Among the 8 cities listed in Niger, Niamey ranks 2nd of 8 for the warmest December highs and joint 1st of 8 for the driest December (rainfall, lowest first). The mean December high of those 8 cities is 30.7°C; Niamey is 1.9°C warmer than that mean.
From December to January, average highs fall by 1.1°C to 31.6°C, and monthly rainfall stays under 1 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Niamey climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.6°C15.8°C | 15.8°C | 0 | 0.0 | 11.411 h |
| February | 34.7°C18.0°C | 18.0°C | 0.1 | 0.0 | 11.712 h |
| March | 38.4°C21.3°C | 21.3°C | 1.0 | 0.4 | 12.012 h |
| April | 40.8°C25.1°C | 25.1°C | 1.9 | 0.6 | 12.412 h |
| May | 40.5°C27.9°C | 27.9°C | 8.3 | 2.3 | 12.713 h |
| June | 38.3°C27.3°C | 27.3°C | 21 | 5.1 | 12.913 h |
| July | 34.8°C25.4°C | 25.4°C | 61 | 10.7 | 12.813 h |
| August | 32.2°C24.1°C | 24.1°C | 122 | 15.2 | 12.613 h |
| September | 34.5°C24.7°C | 24.7°C | 45 | 6.5 | 12.212 h |
| October | 37.4°C24.2°C | 24.2°C | 8.8 | 1.9 | 11.812 h |
| November | 36.0°C19.2°C | 19.2°C | 0 | 0.0 | 11.512 h |
| December, selected | 32.7°C16.5°C | 16.5°C | 0 | 0.0 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Dosso in DecemberNiger · 128 kmHigh 33.1°C · Low 17.4°C · 0 mm rain
- Fada N'gourma in DecemberBurkina Faso · 249 kmHigh 34.2°C · Low 19.2°C · 0 mm rain
- Birnin Kebbi in DecemberNigeria · 255 kmHigh 33.5°C · Low 19.4°C · 0 mm rain
- Jega in DecemberNigeria · 285 kmHigh 33.8°C · Low 19.5°C · 0 mm rain
- Pouytenga in DecemberBurkina Faso · 309 kmHigh 33.4°C · Low 18.0°C · 0 mm rain
- Birni N Konni in DecemberNiger · 341 kmHigh 31.9°C · Low 17.6°C · 0 mm rain
- Sokoto in DecemberNigeria · 343 kmHigh 32.2°C · Low 18.6°C · 0 mm rain
- Kaya in DecemberBurkina Faso · 349 kmHigh 32.5°C · Low 17.4°C · 0 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Niamey) is explained once on the Niamey year overview and on the Sources, method and limits page.